Pamsorb-531 by Polymate Additives is 2-hydroxy-4-n-octoxybenzophenone. Acts as a light stabilizer. It absorbs ultra-violet rays of 240-340 nm. It is of light color, non-toxic, shows good compatibility, small mobility and easy processing. Compatible with PE, PVC, PP, PS, PP fiber, ethylene-vinyl acetate. Recommended dosage is 0.1-0.5%.
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Pamsorb-531 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Ash Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Solubility (@20° C) in acetone | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility (@20° C) in benzene | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility (@20° C) in ethanol | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Volatile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |